PROCESS FOR THE MANUFACTURE OF A PISTON/CYLINDER ASSEMBLY

A process for the manufacture of a master cylinder for hydraulic brake units of automotive vehicles. The starting material is a pasty material which is between solid and liquid. In the course of the casting procedure, thin material wall thicknesses are created in the regions of intended openings of...

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Bibliographic Details
Main Authors HEINZ-JUERGEN PREUSS, KURT SAALBACH, KLAUS BERGELIN
Format Patent
LanguageEnglish
Published 19.08.1992
Subjects
ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL
BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES
POWDER METALLURGY
TRANSPORTING
VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF
VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
VEHICLES IN GENERAL
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Summary:A process for the manufacture of a master cylinder for hydraulic brake units of automotive vehicles. The starting material is a pasty material which is between solid and liquid. In the course of the casting procedure, thin material wall thicknesses are created in the regions of intended openings of the master cylinder, such as the breather bore (14) and the intake bore (5). The floating membrane (12) which forms during the casting process is removed by mechanical machining to open the duct which functions as the intake bore. The breather bore (14) which functions as the compensation bore is formed by a stamping operation.
Bibliography:Application Number: GB19890023250